Title : 
Transmission line directional couplers with a generalised sinusoidal coupling coefficient
         
        
            Author : 
Howard, J. ; Lavey, M.S.
         
        
            Author_Institution : 
Electromagnetic Technologies Inc., Sprinfield, NJ, USA
         
        
        
        
        
            fDate : 
11/23/1995 12:00:00 AM
         
        
        
        
            Abstract : 
A generalised asymmetrical tapered sinusoidal coupling coefficient theory is presented. Using the first order approximation equations, the new theory exhibits good electrical coupling performance with reasonable coupler size
         
        
            Keywords : 
approximation theory; directional couplers; transmission line theory; asymmetrical tapered coupling coefficient theory; electrical coupling performance; first order approximation equations; sinusoidal coupling coefficient; transmission line directional couplers;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:19951440